< This commercial quality professional unit starts off with a 2" x 3" 11 gauge steel main frame. The dual axis biomechanically correct pulldown arms ride on maintenance free sealed bearings. The 360 degree articulating hand grips allow your God given natural body mechanics to prevail throughout the entire pulldown range of motion. The gas assisted seat and adjustable knee catch pads will accommodate almost every body size and type. If you want a barn door back, then this machine is a keeper! Almost everyone of us have dominant side strengthwise and precisionwise which defines right or left handedness. Barbells and most machines require bilateral lifts or pulls that use both hands or feet to move the resistance. In these cases, your dominant side will offer as much as 90% of the effort resulting in that side being more and more developed, and the least dominant side becoming less and less developed. This unilateral machine works both sides individually independent of one another, allowing equal development and equal balance and overall body symmetry as opposed to bars and bilateral options. The multiple hand positions and micro adjustments guarantee correct and comfortable sets for almost every body size and shape.